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US 2015/0217877 A1Published application
Yarn packaging and delivery system
AssigneeNivista North America S.A.R.L.
InventorDavid W. Schumann
Life of this patent
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Abstract
Included are apparatus and methods for preparing a yarn package for a small portion of yarn that provides substantially uniform tension on removal. The method includes providing an amount of yarn up to two pounds which is introduced to a small package with vacuum applied at the bottom of the container and vibration to assist yarn uniform packing of the yarn.
Claims15
A method for providing a yarn package comprising:
- (a) providing an amount of yarn greater than zero up to about two pounds;
- (b) passing a first end of said yarn through a yarn guide to a narrow end of a first air diffuser and through said first air diffuser to a wide end adjacent to a hollow extension portion,
- (c) passing said first end of said yarn through said hollow extension portion adjacent to a first opening of a hollow yarn container;
- (d) passing said first end of said yarn through said yarn container and attaching said first end of said yarn to a second opening of said yarn container, wherein porous media is present at said second opening of said yarn container;
- (e) applying vacuum to a narrow end of a second air diffuser, wherein a wide end of said second air diffuser is adjacent to said second opening of said yarn container;
- and
- (f) applying vibration to said yarn.
4 more elements
Dependencies are inferred from the claim text.